1 –阀体/阀盖/闸板:Cast Steel(1.0619) –Stainless Steel(1.4308;1.4408) – Alloy Steel 1.7335(WC6)
2 –阀杆: X20Cr13 or 1.4021 –Stainless Steel(1.4308;1.4408)
4 –密封面: 13Cr – 18Cr –Stellite
结构长度根据to EN558-1 Series 15 (DIN3202 F5eries)
法兰尺寸根据to EN1092-1 and GOST12815;对焊连接根据EN12627;OCT 34.10.748-97
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